Up for sale is this aluminum scaffolding unit made of 2" diameter heavy wall tubing. The pictured assembly stands 6 1/2 feet tall. The additional sections are: (2) @ 3' 7", (2) @ 4' 1/2", and (2) @ 5' 4 1/2". The casters are 5" in diameter. The deck piece will require a new deck. The last one was 3/4" plywood. Yes, the casters are rusty as the unit has been used outdoors quite a bit, but the casters roll freely.